Which statement about an embolus is correct?
A. It is composed of debris that travels in blood and eventually lodges in an artery.
B. It can consist of pieces of thrombi.
C. It can be caused by infection within the wall of the heart.
D. It is due to pressure exerted by a tumor.
Answer: A
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Regarding the organization of the brain and its function, which of the following statements is FALSE?
a. The midbrain plays an important role in the regulation of memory and emotions. b. The brain is divided into three major parts. c. The hindbrain contains structures that control basic bodily functions like breathing. d. The midbrain contains nerve pathways for relaying messages between the hindbrain and forebrain. e. The forebrain is the largest part of the brain.
During a sleep lab session, Miguel's EEG patterns show that his brain is so active that he looks like he is awake, but the sleep lab attendant verifies that Miguel is indeed asleep. Miguel is exhibiting
a. sleep spindles. b. REM sleep. c. night terrors. d. somnambulism.
The "what" touch pathway involves areas in the _____ portion of the _____ lobe.
A) lower; parietal B) upper; parietal C) lower; frontal D) upper; frontal
The vestibular sacs control the body's sense of ______
a. gravity and movement c. pain b. body rotation d. pressure